content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
   * Other names may be trademarks of their respective owners.]
   *
   * ---------------
   * StrokeList.java
   * ---------------
   * (C) Copyright 2003-2012, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 19-Aug-2003 : Version 1 (DG);
   * 17-Jun-2012 : Moved from JCommon to JFreeChart (DG);
   *
   */
  
  package org.jfree.chart.util;
  
  import java.awt.Stroke;
  import java.io.IOException;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutputStream;
  
  /**
   * A table of {@link Stroke} objects.
   */
  public class StrokeList extends AbstractObjectList<Stroke> {
  
      /**
       * Creates a new list.
       */
      public StrokeList() {
          super();
      }
  
      /**
       * Returns a {@link Stroke} object from the list.
       *
       * @param index the index (zero-based).
       *
       * @return The object.
       */
      public Stroke getStroke(final int index) {
          return get(index);
      }
  
      /**
       * Sets the {@link Stroke} for an item in the list.  The list is expanded if necessary.
       *
       * @param index  the index (zero-based).
       * @param stroke  the {@link Stroke}.
       */
      public void setStroke(final int index, final Stroke stroke) {
          set(index, stroke);
      }
  
      /**
       * Returns an independent copy of the list.
       *
       * @return A clone.
       *
       * @throws CloneNotSupportedException if an item in the list cannot be cloned.
       */
      @Override
      public Object clone() throws CloneNotSupportedException {
          return super.clone();
      }
  
      /**
       * Tests the list for equality with another object (typically also a list).
       *
       * @param o  the other object.
       *
       * @return A boolean.
       */
      @Override
      public boolean equals(final Object o) {
  
          if (o == null) {
              return false;
          }
  
          if (o == this) {
              return true;
          }
  
          if (o instanceof StrokeList) {
              return super.equals(o);
          }
  
          return false;
  
      }
  
      /**
       * Returns a hash code value for the object.
       *
       * @return the hashcode
       */
      @Override
      public int hashCode() {
          return super.hashCode();
      }
  
      /**
       * Provides serialization support.
       *
       * @param stream  the output stream.
       *
       * @throws IOException  if there is an I/O error.
       */
      private void writeObject(final ObjectOutputStream stream) throws IOException {
  
          stream.defaultWriteObject();
          final int count = size();
          stream.writeInt(count);
          for (int i = 0; i < count; i++) {
              final Stroke stroke = getStroke(i);
              if (stroke != null) {
                  stream.writeInt(i);
                  SerialUtilities.writeStroke(stroke, stream);
              }
              else {
                  stream.writeInt(-1);
              }
          }
  
      }
  
      /**
       * Provides serialization support.
       *
       * @param stream  the input stream.
       *
       * @throws IOException  if there is an I/O error.
       * @throws ClassNotFoundException  if there is a classpath problem.
       */
      private void readObject(final ObjectInputStream stream) throws IOException, ClassNotFoundException {
  
          stream.defaultReadObject();
          final int count = stream.readInt();
          for (int i = 0; i < count; i++) {
              final int index = stream.readInt();
              if (index != -1) {
                  setStroke(index, SerialUtilities.readStroke(stream));
              }
          }
  
      }
  
  }
  
  